Fatal error: Uncaught Error: Call to undefined method Web_model::update_model_num() in /volume1/web/3ducation/mw/modules/project/controllers/data_handler_project.php on line 459

Error: Call to undefined method Web_model::update_model_num() in /volume1/web/3ducation/mw/modules/project/controllers/data_handler_project.php on line 459

Call Stack:
    0.0000     362944   1. {main}() /volume1/web/3ducation/index.php:0
    0.0001     364856   2. require_once('/volume1/web/3ducation/system/core/CodeIgniter.php') /volume1/web/3ducation/index.php:226
    0.0034     614328   3. Project_detail->data($web_code = '3ducation', $lang_code = 'tw', $menu_code = 'blind_material', $pj_id = '204571', $selected_tab = ???) /volume1/web/3ducation/system/core/CodeIgniter.php:360
    0.0086     874864   4. Web_Controller->get_data_handler($data_vo = class stdClass { public $pj_id = '204571' }) /volume1/web/3ducation/mw/modules/project/controllers/project_detail.php:46
    0.0101     884288   5. Data_handler_project->get_imagelabellist_project_detail($web_vo = class stdClass { public $web_id = '1'; public $customer_code = '3ducation'; public $lang_code = 'tw'; public $lang_name = '繁體中文'; public $web_default = 'true'; public $web_display = 'true'; public $web_code = '3ducation'; public $web_title = '3Ducation'; public $web_copy_right = '<div class="brands">\n\t<ul>\n\t\t<li class="n0">\n\t\t\t<img border="0" src="https://www.3ducation.tw/mw/cufiles/images/web/layout/diageo_logo.png">\n\t\t\t<div class="brand1_info">本網站由帝亞吉歐（DIAGEO）KEEP WALKING夢想資助計畫 贊助製作</div>\n\t\t</li>\n<!--\n\t\t<li class="n1">\n\t\t\t<a href="/3ducation/post/post/data/3ducation/tw/press/8/" target="">\n\t\t\t\t<img border="0" src="/3ducation/mw/cufiles/images/home/ad/index_r8_c9.jpg">\n\t\t\t</a>\n\t\t</li>\n\t\t<li class="n2">\n'; public $web_gaid = 'G-4MWGH1TJFN'; public $web_addthisid = NULL; public $customer_stamp = 'aaa'; public $web_classification = '3Ducation, 3D模型'; public $web_keywords = '3Ducation, 3D模型'; public $web_description = '3Ducation是一個以3D模型為中心的交流園地。不管是盲人或是明眼人，都可以透過可感觸的實際物件，更加直觀的來認識我們的自然世界、人文風景以及精神文明。站在3D印表機前，每個人都是孩子：一個充滿好奇心、創造力，不怕犯錯的孩子。因此在這裏，你或許會在這裏看到許多像孩子般不成熟的、簡單的、粗糙的的作品，而這正是我們所期待的。'; public $create_date = '2015-05-03 00:15:08' }, $menu_vo = class menu_vo { public $menu_auto_id = NULL; public $web_id = '1'; public $menu_code = 'blind_material'; public $parent_code = 'project'; public $controller_code = 'project_detail'; public $controller_setting = NULL; public $template_name = 'tmp_3'; public $menu_group = NULL; public $menu_name = '視障教具'; public $menu_display = 'true'; public $menu_sort = '2'; public $menu_theme = NULL; public $menu_banner = NULL; public $menu_icon = NULL; public $menu_pic = NULL; public $menu_info = NULL; public $menu_other = NULL; public $menu_url = NULL; public $menu_url_target = 'false'; public $create_date = NULL; public $modify_date = NULL; public $app_code = 'project'; public $controller_class_name = 'project_list' }, $ui_data_vo = class stdClass { public $pj_id = '204571' }) /volume1/web/3ducation/mw/core/MW_Controller.php:255